A024736 s(n+3)/2, where s is A024735.

1, 2, 4, 9, 20, 44, 97, 230, 540, 1257, 2920, 7128, 17225, 41276, 98848, 244857, 602368, 1472564, 3594009, 9001188, 22402820, 55447385, 137104808, 345794100, 868000657, 2169191678, 5413976096, 13735048385, 34694002916, 87290093640, 219428919825

Offset

1,2

Links

Table of n, a(n) for n=1..31.

Crossrefs

Sequence in context: A350325 A141016 A008998 * A024562 A087219 A214952

Adjacent sequences: A024733 A024734 A024735 * A024737 A024738 A024739

Keyword

nonn

Author

Clark Kimberling

Status

approved